20473908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18749}}^1$

素因数の和:18776

約数の個数: 48

約数和(自身を含む): 58800000

約数和(自身を除く): 38326092

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18749, 37498, 56247, 74996, 112494, 131243, 224988, 243737, 262486, 393729, 487474, 524972, 731211, 787458, 974948, 1462422, 1574916, 1706159, 2924844, 3412318, 5118477, 6824636, 10236954, 20473908]

約数ペア:

[(1, 20473908), (2, 10236954), (3, 6824636), (4, 5118477), (6, 3412318), (7, 2924844), (12, 1706159), (13, 1574916), (14, 1462422), (21, 974948), (26, 787458), (28, 731211), (39, 524972), (42, 487474), (52, 393729), (78, 262486), (84, 243737), (91, 224988), (156, 131243), (182, 112494), (273, 74996), (364, 56247), (546, 37498), (1092, 18749)]